Arbitrary Argument Injection Affecting python3-idle package, versions *


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.01% (3rd percentile)

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  • Snyk IDSNYK-CENTOS8-PYTHON3IDLE-16085054
  • published16 Apr 2026
  • disclosed13 Apr 2026

Introduced: 13 Apr 2026

NewCVE-2026-4786  (opens in a new tab)
CWE-88  (opens in a new tab)

How to fix?

There is no fixed version for Centos:8 python3-idle.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3-idle package and not the python3-idle package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

Mitgation of CVE-2026-4519 was incomplete. If the URL contained "%action" the mitigation could be bypassed for certain browser types the "webbrowser.open()" API could have commands injected into the underlying shell. See CVE-2026-4519 for details.

CVSS Base Scores

version 3.1